The true history of The 15 Puzzle
is revealed in this book. The authors give a
comprehensive picture of how this puzzle became popular,
driving the whole World crazy, and show "...how
America's greatest puzzle designer, Sam Loyd, fooled
everyone for 115 years."...

This book is a vast and intriguing
history of one of the World's most popular mechanical puzzles,
Tangram. Jerry Slocum gathered in one richly illustrated volume
not only numerous historical facts about this puzzle,
different, old and modern, variations, but also over
2,000 challenges to solve...